fixed JS event for altering image tracking code with spearate plugin
Merge pull request #239 from piwik/translationupdates

[automatic translation update] Updated 331 strings in 8 languages (da, de, fa, fi, fr, it, pl, pt)
Fix bug in dashboardWidget.getParameters (return copy of object not existing object).
Fix for error "Class '\Piwik\Db\Schema\' not found", default to Mysql when schema is empty
This may fix the bug: PHP Warning: Invalid argument supplied for foreach() in /[piwikdir]/core/CliMulti.php on line 176
 reported on forums
Silent fail to prevent bug?
http://forum.piwik.org/read.php?2,112675
fixes #4833 fixes js error when adding new segment
prevent division by zero for 0 value
Allow travis.sh file packaged w/ piwik to execute UI tests.
Updating UI submodule.
Fix stray fi in travis.sh script.
refs #57 ui tweaks and translations
refs #57 moving translations to general en.json
refs #57 average filter is no longer needed
Add two new console commands to activate/deactivate a plugin.
Updating UI submodule.
Fix bug in MenuAdmin::removeEntry
Merge remote-tracking branch 'origin/master'
Merge pull request #237 from clearcode/fixImageTracking

fixed JS event for altering image tracking code with spearate plugin
Thanks for the proposed fix! :+1:
refs #57 some more code tweaks and documentation